@article{TM_2020_310_a19,
     author = {D. V. Treschev},
     title = {$\mu ${-Norm} of an {Operator}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {280--308},
     publisher = {mathdoc},
     volume = {310},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2020_310_a19/}
}